[bootlin/training-materials updates] master: Block filesystems: improve explanation (7a2386e1)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/7a2386e1049aa32871aba2cc0c4f53ab5be80bba

>---------------------------------------------------------------

commit 7a2386e1049aa32871aba2cc0c4f53ab5be80bba
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Wed Oct 13 14:51:34 2021 +0200

    Block filesystems: improve explanation
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

7a2386e1049aa32871aba2cc0c4f53ab5be80bba
 slides/sysdev-block-filesystems/sysdev-block-filesystems.tex | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
index 274364db..fad37ea6 100644
--- a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
+++ b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
@@ -93,8 +93,9 @@ major minor #blocks name
       Transfers the complete contents of \code{testfile} to
       \code{/dev/sda2}, by blocks of 1 MB, but starting at offset 4 MB
       in \code{/dev/sda2}
-    \item {\bf Typical mistake}: copying a file to a filesystem without
-      mounting it first:\\
+    \item {\bf Typical mistake}: copying a file (which is not a
+          filesystem image) to a filesystem without
+          mounting it first:\\
       \code{dd if=zImage of=/dev/sde1}\\
       Instead, you should use:\\
       \code{sudo mount /dev/sde1 /boot}\\